Lime grain size
gräfix 29
Dry backfill for a false floor
Crushed limestone sand – calcium carbonate (CaCO₃)
This factory-produced, graded mixture of crushed limestone sand (calcium carbonate,CaCO₃), manufactured in-house, is used to fill in sub-floors. The material is loosely laid and levelled using an aluminium or wooden batten.
Supplied in big bags only
- Factory-produced, graded aggregate mixture
- Alkaline graded aggregate mixture of crushed limestone sand
- for backfilling sub-floors
- Excellent sound insulation
- Bulk density: approx. 1.35 kg/l
- Coverage: 0.22 m² per bag for a 10 cm installation height
- Grain size: 0.8–4.0 mm
- Supplied in big bags only
